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-rw-r--r--gcc/java/lang.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/java/lang.c b/gcc/java/lang.c
index c6fbb44..706b4f1 100644
--- a/gcc/java/lang.c
+++ b/gcc/java/lang.c
@@ -516,6 +516,13 @@ java_init (filename)
if (flag_inline_functions)
flag_inline_trees = 1;
+ /* Force minimum function alignment if g++ uses the least significant
+ bit of function pointers to store the virtual bit. This is required
+ to keep vtables compatible. */
+ if (TARGET_PTRMEMFUNC_VBIT_LOCATION == ptrmemfunc_vbit_in_pfn
+ && force_align_functions_log < 1)
+ force_align_functions_log = 1;
+
/* Open input file. */
if (filename == 0 || !strcmp (filename, "-"))